Pocket Watch Database
https://pocketwatchdatabase.com/search/result/illinois/24247
Access Date: March 25, 2025
From the American Horology Archive:

Illinois Watch Co.
Grade: Mason
Manufacturer: | Illinois | ![]() |
Manufacturer Location: | Springfield, Illinois | ![]() |
Movement Serial Number: | 24247 | ![]() |
Grade: | Mason | ![]() |
Model: | 1 | ![]() |
Estimated Production Date: | August 1874 | ![]() |
Run Quantity: | 1,000 | ![]() |
Grade/Model Run: | 8 of 16 | ![]() |
Grade/Model Total Production: | 10,300 | ![]() |
Size: | 18s | ![]() |
Jewels: | 7j | ![]() |
Movement Configuration: | Adaptable | ![]() |
Movement Finish: | Gilt | ![]() |
Movement Setting: | Key | ![]() |
Plate: | Full Plate | ![]() |
Barrel: | Going | ![]() |
Balance Type: | Uncut Expansion | ![]() |
Train: | Coarse | ![]() |
Regulator: | Plain | ![]() |
Hairspring: | Flat | ![]() |
Standard Dial Type: | Single-Sunk | ![]() |
Adjusted: | No | ![]() |
Railroad Grade: | No | ![]() |
Dial Feet Locations: | 16.5, 36.5, 53.0 | ![]() |
Case Screw Locations: | O-36.5, H-51.5 | ![]() |
Movement Markings: | Mason Springfield, Ill. Patent Pinion |
|
Case: | Various | ![]() |
Run ID: | 31.G8.18S31.181M31.A31.K31.7J8 | ![]() |
Database Version: | v52.624 | ![]() |
Advanced Metrics | ||
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 31.01 | ![]() |
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 104.57 | ![]() |
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.181% | ![]() |
Registry Population: Scoped for This Run Only | 3 (0.30%) | ![]() |
Production Metrics Tree: Grade Mason
Target Profile: 18S-M1-7J-AGK-U
Illinois Grade Mason (All Variations): 10,600 ETP | |
18S: 10,600 100.00% 18s, Grade Mason |
|
18S-M1: 10,300 97.17% 18s, Grade Mason, Model 1 |
Other: 300
Other Models or Unclassified |
18S-M1-7J: 10,300 97.17% 18s, Grade Mason, Model 1, 7 Jewels |
|
18S-M1-7J-AGK: 10,300 97.17% 18s, Grade Mason, Model 1, 7 Jewels, Adaptable/Key/Gilt |
|
18S-M1-7J-AGK-U: 10,300 97.17% |
Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
---|---|---|---|---|---|
There are 3 watches in the population registry for this run.
|
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Verification Reports for this Run
The following reports have been graciously submitted by dedicated members in reference to this production run. These reports are useful to verify data and track inaccuracies that require further research. Please note that reports may contain inaccurate information or assumptions that must be dilligently considered with other available sources.
Deere51 102 · March 1, 2018
Serial Number 24247 was reported as accurate.
usnpt109 Supporter 24 · October 13, 2017
Serial Number 24489 was reported as inaccurate.
oilseed Supporter 472 · November 19, 2016
Serial Number 24252 was reported as inaccurate.
(according to Ehrhardt & Meggers book)
andysmothers 9 · August 25, 2013
Serial Number 24226 was reported as accurate.

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